There are ten cars in the parking lot that all look alike.
There are ten very similar looking cars in the parking lot.
この場合、次のように言うと良いですよ。
ーThere are ten cars in the parking lot that all look alike.
「駐車場に似たような車が１０台ある」
ten cars that all look alike で「似たような車」を表現できます。
ーThere are ten very similar looking cars in the parking lot.
「駐車場によく似た車が１０台ある」
the same looking cars ではなく similar looking cars と言うと良いですよ。
ご参考まで！
カナダ 
